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习题练习:HL Topic A2.3 Viruses



 作者: admin发布日期: 2025-01-24 21:47   总分: 13分  得分: _____________

答题人: 匿名未登录  开始时间: 25年01月24日 11:20  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 1 题组 (共 6 题 6 分)
  1. Which of the following features 4s7ucg y)yo)issau t+-57n9e3u hi:dhfen )ydo viruses have in common with living organisms?iyonay -c 7f)+:uhhnt ye ssi)3) 59gedus74 u

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2#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  2. Which of the followip ssa9v:vo8yg*s3q a0ng factors complicates the treatment of human viral infectioq as3gp8y9a:svv0s*ons?

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3#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  3. Which of the following is th y6zoyep:p*9,jhm ,4ta1pwzo e best description of the relationship between the hjo tp, zy6zy4opam: ,*1ewp9 virus and host organism?

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4#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  4. Which of the following are structures that all vir s 15gwi/k6za 3azfl-euses possess?

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5#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  5. Viruses have several forms of genetic informationb8wfk t5gt: z o-s:t1j but many structural feature bsj:tkgfo81 ztw5-:ts in common. What does this suggest in terms of their evolution?

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6#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
7. Compare and contrast the lytic cycle with the lysogenic cycle of viraag 4gga2z n9xign-32 ml infection of a host ce gnz-2a93ixg4 m2nga gll.
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7#
 
问答题 ( 1.0 分) (组内1/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第1/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(a) Estimate the number of cases of Ebafb t nkao0s *46m-ms5ola in 1976-1977.
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8#
 
问答题 ( 1.0 分) (组内2/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第2/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(b) The total number of case of Ebola from 2000.bp5: 5u)i ero,- 8 ecut1 umt)pkezei to 2009 was 1194. Calculate the total number of cases that occurred from 1990 be8):turpe p t5.i )ecuz -ukie1o,m5 to 1999.
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9#
 
问答题 ( 1.0 分) (组内3/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第3/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(c) Calculate the percentage increase in the total number of cases frbz -z4z(yqgu-cj /+ paom 2000 to 2009 in comparcy4 z-+(gb /jzqu-pazison to 1990 to 1999.
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10#
 
问答题 ( 1.0 分) (组内4/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第4/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(d) The Ebola virus first appeared in humans in 1976. Suggest1kb gng3lf3m; how the virus firstggklm fn ;b133 appeared in the
human population.
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11#
 
问答题 ( 1.0 分) (组内5/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第5/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(e) A vaccine was trialled in 2018 and shown to be effective.8ar 8u6nyuf*u4veal - It was made widely available from 2020. Suggest why a vaccine against a viral infection may prove ineffaav- rl8y 6u8u*unfe 4ective in the long term.
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12#
 
问答题 ( 1.0 分) (组内6/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第6/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(f) The genetic material oflj2vlio8x ( 4f the Ebola virus is single strand RNA. List two other forms that vil8lov4 2fi (xjral
genetic material may take.
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13#
 
问答题 ( 1.0 分) (组内7/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第7/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(g) The image below shows a partic -k+77j,+ ifkvxlidjjt,un *i8qtra ; le of the Ebola virus

The virus is approximately 1000 nm in length. Convert this size into µm.
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